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24px;font-size:15px}.student-picker-error{color:var(--color-red-text)}.student-groups{text-align:left;flex-direction:column;gap:20px;margin-bottom:32px;display:flex}.student-group{background:var(--bg-card);border:1px solid var(--border-color);-webkit-backdrop-filter:blur(16px);border-radius:16px;padding:20px}.student-group-header{align-items:center;gap:10px;margin-bottom:14px;display:flex}.student-group-badge{color:var(--text-primary);background:color-mix(in srgb, var(--accent) 15%, transparent);border:1px solid color-mix(in srgb, var(--accent) 30%, transparent);border-radius:8px;padding:3px 10px;font-size:15px;font-weight:700}.student-group-count{color:var(--text-secondary);font-size:13px}.student-list{flex-wrap:wrap;gap:8px;display:flex}.student-btn{border:1px solid var(--border-color);cursor:pointer;background:0 0;border-radius:10px;align-items:center;gap:8px;padding:8px 14px;font-family:inherit;transition:background .15s,border-color .15s,transform 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var(--accent);outline-offset:1px;border-color:var(--accent)}.auth-check{color:var(--text-body);cursor:pointer;align-items:center;gap:8px;font-size:14px;display:flex}.auth-check input{width:16px;height:16px;accent-color:var(--accent);cursor:pointer}.auth-hint{color:var(--text-muted);margin:-8px 0 0;font-size:12px;line-height:1.45}.auth-status{color:var(--text-body);background:var(--surface-sub);border:1px solid var(--border-color);border-radius:8px;align-items:center;gap:8px;margin:0;padding:10px 12px;font-size:14px;line-height:1.45;display:flex}.auth-error{color:var(--color-red-deep);background:var(--color-red-soft);border:1px solid var(--color-red);border-radius:8px;margin:0;padding:10px 12px;font-size:14px}.auth-notice{color:var(--color-green-deep);background:var(--color-green-soft);border:1px solid var(--color-green);border-radius:8px;margin:0;padding:10px 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var(--border-color);cursor:pointer;border-radius:8px;align-items:center;gap:10px;padding:12px 14px;font-family:inherit;font-size:14px;display:flex}.auth-choice:hover:not(:disabled){border-color:var(--accent);background:var(--accent-soft)}.auth-choice:disabled{opacity:.6;cursor:not-allowed}.auth-choice-icon{width:28px;height:28px;color:var(--accent-text);background:var(--accent-soft);border-radius:50%;flex:none;justify-content:center;align-items:center;display:inline-flex}.auth-link-button{font:inherit;cursor:pointer;background:0 0;border:none;padding:0;font-size:14px}.auth-link-button:disabled{opacity:.6;cursor:not-allowed}.auth-check-reveal{color:var(--text-muted);align-self:flex-start;font-size:13px}.ed-feedback-fab{z-index:1500;background:var(--accent);color:var(--text-on-color);cursor:pointer;border:none;border-radius:999px;align-items:center;gap:7px;padding:11px 18px;font-family:inherit;font-size:14px;font-weight:600;transition:opacity .15s,box-shadow 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var(--border-color);background:var(--surface-input);width:100%;min-height:90px;color:var(--text-primary);resize:vertical;box-sizing:border-box;border-radius:10px;padding:10px 12px;font-family:inherit;font-size:14px}.ed-feedback-textarea:focus{border-color:var(--accent);outline:none}.ed-feedback-image{flex-direction:column;align-items:flex-start;gap:8px;display:flex}.ed-feedback-image-add{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.ed-feedback-image-preview{border:1px solid var(--border-color);border-radius:8px;max-width:100%;max-height:200px}.ed-feedback-actions{justify-content:flex-end;margin-top:2px;display:flex}.ed-feedback-thanks{color:var(--text-primary);text-align:center;padding:12px 0;font-size:14px}.ed-feedback-label{color:var(--text-primary);font-size:13px;font-weight:600}.ed-feedback-hint{color:var(--text-secondary);align-items:center;gap:4px;font-size:12px;display:flex}.ed-feedback-error{background:var(--color-red-soft);color:var(--color-red-strong);border:1px 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var(--border-color);border-radius:14px;width:100%;max-width:480px;padding:32px 28px}.tg-icon{color:var(--accent-text)}.tg-card h1{color:var(--text-primary);margin:12px 0 10px;font-size:22px}.tg-card p{color:var(--text-dim);margin:0;font-size:14px;line-height:1.55}.tg-links{flex-direction:column;gap:8px;margin:20px 0 0;padding:0;list-style:none;display:flex}.tg-links a{color:var(--accent-text);background:var(--surface-sub);border:1px solid var(--border-subtle);border-radius:8px;justify-content:center;align-items:center;gap:6px;padding:10px 14px;font-size:14px;font-weight:600;text-decoration:none;display:inline-flex}.tg-links a:hover{background:var(--accent-soft);border-color:var(--accent)}.tg-error{color:var(--color-red-text)!important;margin-top:14px!important}.tg-accept{width:100%;color:var(--text-on-color);background:var(--accent);border:1px solid var(--accent);cursor:pointer;border-radius:8px;justify-content:center;align-items:center;gap:8px;margin-top:24px;padding:12px 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var(--border-color);border-radius:14px;flex-direction:column;width:100%;max-width:560px;max-height:80vh;display:flex;overflow:hidden}.usw-head{justify-content:space-between;align-items:center;gap:12px;padding:16px 20px 12px;display:flex}.usw-title{color:var(--text-primary);align-items:center;gap:8px;margin:0;font-size:1rem;font-weight:600;display:flex}.usw-close{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:4px;display:inline-flex}.usw-close:hover{color:var(--text-primary)}.usw-lead{color:var(--text-muted);margin:0 20px 14px;font-size:.82rem;line-height:1.5}.usw-lead strong{color:var(--text-body)}.usw-filters{gap:10px;padding:0 20px 14px;display:flex}.usw-search{min-width:0;color:var(--text-muted);background:var(--surface-input);border:1px solid var(--border-color);border-radius:8px;flex:1;align-items:center;gap:8px;padding:0 12px;display:flex}.usw-search:focus-within{border-color:var(--accent)}.usw-search 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(prefers-reduced-motion:reduce){.usw-spin{animation:none}}@media (width<=560px){.usw-overlay{padding:0}.usw-panel{border:none;border-radius:0;max-width:none;height:100%;max-height:100%}.usw-filters{flex-direction:column}.usw-school{max-width:none}}.app-layout{--sidebar-w:228px;background-color:var(--bg-primary);min-height:100vh;font-family:var(--font-sans);color:var(--text-primary);transition:background-color .2s,color .2s;display:flex;position:relative}.layout-blob{filter:blur(130px);opacity:.12;pointer-events:none;z-index:0;border-radius:50%;position:fixed}.layout-blob-purple{background:var(--bg-wash-1);width:450px;height:450px;top:-80px;left:100px}.layout-blob-blue{background:var(--bg-wash-2);width:500px;height:500px;bottom:-100px;right:0}.sidebar-overlay{z-index:49;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0000008c;position:fixed;inset:0}.sidebar{top:var(--env-banner-h);width:var(--sidebar-w);-webkit-backdrop-filter:blur(24px);border-right:1px solid var(--border-color);z-index:50;background:#0c0e16f2;flex-direction:column;transition:transform .25s cubic-bezier(.4,0,.2,1),width .2s cubic-bezier(.4,0,.2,1),background .2s,border-color .2s;display:flex;position:fixed;bottom:0;left:0}[data-theme=light] .sidebar{background:#ffffffeb;border-right-color:#00000014}[data-env] .sidebar{border-right:3px solid var(--accent)}[data-theme=light] .sidebar-logo{border-bottom-color:#00000012}[data-theme=light] .nav-item{color:var(--text-primary)}[data-theme=light] .nav-item:hover{color:var(--text-primary);background:#0000000d}[data-theme=light] .nav-item-active{background:color-mix(in srgb, var(--color-purple) 10%, transparent);color:var(--accent)}[data-theme=light] .nav-item-badge{color:var(--text-muted);background:#0000000f}[data-theme=light] .sidebar-settings{border-top-color:#00000012}[data-theme=light] .switch-role-btn{color:var(--text-secondary);border-color:#0000001a}[data-theme=light] .switch-role-btn:hover{color:var(--text-primary);background:#0000000a;border-color:#0003}[data-theme=light] .mobile-header{background:#ffffffeb;border-bottom-color:#00000014}[data-theme=light] .hamburger-btn{color:var(--text-secondary)}[data-theme=light] .hamburger-btn:hover{color:var(--text-primary)}[data-theme=light] .layout-blob{opacity:.06}.sidebar-logo{border-bottom:1px solid var(--border-color);align-items:flex-end;gap:12px;padding:22px 18px 18px;display:flex}.sidebar-logo .logo-img{height:40px}.logo-link{align-items:flex-end;line-height:0;display:inline-flex}.logo-switch{cursor:pointer;background:0 0;border:none;padding:0}.logo-switch .logo-img{transition:opacity .15s}.logo-switch:hover .logo-img{opacity:.75}.sidebar-identity{flex-direction:column;min-width:0;padding-bottom:4px;display:flex}.sidebar-avatar{background:color-mix(in srgb, var(--accent) 16%, transparent);width:32px;height:32px;color:var(--accent-text);letter-spacing:.02em;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;margin-bottom:2px;font-size:12px;font-weight:700;display:inline-flex}.sidebar-user-name{text-overflow:ellipsis;white-space:nowrap;color:var(--text-body);font-size:13px;font-weight:600;line-height:1.3;overflow:hidden}.sidebar-user-school{text-overflow:ellipsis;white-space:nowrap;color:var(--text-faint);font-size:11px;line-height:1.3;overflow:hidden}.sidebar-nav{flex-direction:column;flex:1;gap:2px;padding:14px 10px;display:flex;overflow-y:auto}.nav-item{color:var(--text-secondary);border-radius:9px;align-items:center;gap:10px;padding:9px 10px;font-size:14px;font-weight:500;text-decoration:none;transition:background .15s,color .15s;display:flex;position:relative}.nav-item:hover{background:var(--surface-hover);color:var(--text-body)}.nav-item-active{background:color-mix(in srgb, var(--color-purple) 14%, transparent);color:var(--accent-text)}.nav-item-icon{flex-shrink:0;justify-content:center;align-items:center;width:20px;display:inline-flex}.nav-item-label{flex:1;min-width:0}.nav-item-notif{min-width:1.2rem;height:1.2rem;color:var(--text-on-color);border-radius:999px;flex-shrink:0;justify-content:center;align-items:center;padding:0 .3rem;font-size:10px;font-weight:700;line-height:1;display:inline-flex}.nav-item-notif-alert{background:var(--color-red)}.nav-item-notif-nudge{background:var(--color-orange)}.nav-item-badge{background:var(--surface-2);color:var(--text-muted);letter-spacing:.03em;border-radius:4px;flex-shrink:0;padding:2px 6px;font-size:10px;font-weight:600}.nav-subject-section{border-top:1px solid var(--border-color);flex-direction:column;gap:2px;margin-top:10px;padding-top:10px;display:flex}.nav-section-label{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);padding:0 10px 4px;font-size:10px;font-weight:700}.nav-subject-btn{width:100%;color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:9px;align-items:center;gap:9px;padding:8px 10px;font-family:inherit;font-size:13px;font-weight:500;transition:background .15s,color .15s;display:flex}.nav-subject-btn:hover{background:var(--surface-hover);color:var(--text-body)}.nav-subject-btn-active{background:color-mix(in srgb, var(--color-purple) 14%, transparent);color:var(--accent-text)}.nav-subject-initial{display:none}.nav-subject-dot{opacity:.6;background:currentColor;border-radius:50%;flex-shrink:0;width:7px;height:7px}.nav-subject-btn-active .nav-subject-dot{opacity:1}[data-theme=light] .nav-subject-btn:hover{color:var(--text-primary);background:#0000000d}[data-theme=light] .nav-subject-btn-active{background:color-mix(in srgb, var(--color-purple) 10%, transparent);color:var(--accent)}.nav-group{flex-direction:column;gap:2px;display:flex}.nav-view-switch{border-top:1px solid var(--border);opacity:.85;margin-top:8px;padding-top:12px}.nav-group-row{align-items:center;gap:2px;display:flex}.nav-group-link{flex:1;min-width:0}.nav-group-chevron-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;padding:6px;transition:transform .18s,background .15s,color .15s;display:inline-flex}.nav-group-chevron-btn:hover{background:var(--surface-hover);color:var(--text-body)}.nav-group-chevron-btn:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}.nav-group-chevron-open{transform:rotate(90deg)}[data-theme=light] .nav-group-chevron-btn:hover{color:var(--text-primary);background:#0000000d}.nav-submenu{border-left:1px solid var(--border-color);flex-direction:column;gap:2px;margin:2px 0 2px 18px;padding-left:10px;display:flex}.nav-flyout-title{display:none}.nav-submenu-item{color:var(--text-secondary);border-radius:8px;align-items:center;gap:9px;padding:7px 10px;font-size:13px;font-weight:500;text-decoration:none;transition:background .15s,color .15s;display:flex}.nav-submenu-item:hover{background:var(--surface-hover);color:var(--text-body)}.nav-submenu-item-active{background:color-mix(in srgb, var(--color-purple) 14%, transparent);color:var(--accent-text)}.nav-submenu-icon{flex-shrink:0;justify-content:center;align-items:center;width:18px;display:inline-flex}.nav-icon-alert{color:var(--color-red-text)}[data-theme=light] .nav-submenu-item:hover{color:var(--text-primary);background:#0000000d}[data-theme=light] .nav-submenu-item-active{background:color-mix(in srgb, var(--color-purple) 10%, transparent);color:var(--accent)}.sidebar-settings{border-top:1px solid var(--border-color);padding:10px;position:relative}.sidebar-settings-btn{width:100%;color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:none;border-radius:9px;align-items:center;gap:10px;padding:9px 10px;font-family:inherit;font-size:14px;font-weight:500;transition:background .15s,color .15s;display:flex}.sidebar-settings-btn:hover{background:var(--surface-hover);color:var(--text-body)}.sidebar-settings-popover{z-index:60;box-sizing:border-box;border:1px solid var(--border-color);background:var(--bg-modal);border-radius:12px;flex-direction:column;gap:10px;padding:12px;display:flex;position:absolute;bottom:calc(100% + 8px);left:10px;right:10px;box-shadow:0 14px 34px #00000047}.sidebar-settings-section{flex-direction:column;gap:3px;display:flex}.sidebar-settings-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:10px;font-weight:600}.sidebar-settings-value{color:var(--text-dim);text-overflow:ellipsis;white-space:nowrap;font-size:12px;font-weight:500;overflow:hidden}.switch-role-btn{border:1px solid var(--border-color);width:100%;color:var(--text-muted);cursor:pointer;background:0 0;border-radius:8px;padding:7px 12px;font-family:inherit;font-size:12px;font-weight:500;transition:border-color .15s,color .15s,background .15s}.switch-role-btn:hover{color:var(--text-dim);background:var(--surface-1);border-color:#ffffff40}.theme-toggle{width:100%;color:var(--text-secondary);cursor:pointer;text-align:left;background:0 0;border:1px solid #0000;border-radius:8px;align-items:center;gap:8px;padding:6px 8px;font-family:inherit;font-size:12px;font-weight:500;transition:border-color .15s,color .15s,background .15s;display:flex}.theme-toggle:hover{color:var(--text-primary);background:var(--surface-hover)}.theme-toggle-label{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.sidebar-version{color:var(--text-faint);text-align:center;letter-spacing:.05em;font-size:10px}.main-content{margin-left:var(--sidebar-w);z-index:1;flex-direction:column;flex:1;min-width:0;min-height:100vh;transition:margin-left .2s cubic-bezier(.4,0,.2,1);display:flex;position:relative}.mobile-header{display:none}.hamburger-btn{color:var(--text-muted);cursor:pointer;background:0 0;border:none;align-items:center;padding:4px;line-height:1;transition:color .15s;display:flex}.hamburger-btn:hover{color:var(--text-body)}.mobile-logo{flex:1}.mobile-logo .logo-img{height:30px}.mobile-role-chip{border-radius:999px;padding:4px 10px;font-size:12px;font-weight:600}.mobile-role-chip-admin{background:color-mix(in srgb, var(--color-purple) 20%, transparent);color:var(--accent-text)}.mobile-role-chip-teacher{background:color-mix(in srgb, var(--color-blue) 20%, transparent);color:var(--color-blue-text)}.mobile-role-chip-student{background:color-mix(in srgb, var(--color-emerald) 20%, transparent);color:var(--color-green-text)}@media (width<=768px){.sidebar{transform:translate(-100%)}.sidebar.sidebar-open{transform:translate(0)}.mobile-header{-webkit-backdrop-filter:blur(20px);top:var(--env-banner-h);z-index:40;background:#0a0c14eb;border-bottom:1px solid #ffffff12;align-items:center;gap:12px;padding:12px 16px;display:flex;position:sticky}.main-content{margin-left:0}}.context-switch{flex-direction:column;gap:4px;width:100%;display:flex}.context-switch-label{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);font-size:10px;font-weight:600}.context-select{background:var(--surface-1);border:1px solid var(--border-color);width:100%;color:var(--text-dim);cursor:pointer;border-radius:8px;padding:7px 8px;font-family:inherit;font-size:12px;font-weight:500;transition:border-color .15s,color .15s}.context-select:hover,.context-select:focus{border-color:#ffffff40;outline:none}[data-theme=light] .context-select{color:var(--text-dim);background:#00000005;border-color:#0000001a}[data-theme=light] .context-select:hover,[data-theme=light] .context-select:focus{border-color:#00000040}@media (width<=768px){.sidebar-rail-btn{display:none}}@media (width>=769px){.app-layout-rail{--sidebar-w:68px}.app-layout-rail .nav-item-label,.app-layout-rail .nav-item-badge,.app-layout-rail .nav-group-chevron-btn,.app-layout-rail .nav-section-label,.app-layout-rail .nav-subject-dot,.app-layout-rail .sidebar-identity{display:none}.app-layout-rail .sidebar-nav{padding:14px 10px;overflow:visible}.app-layout-rail .nav-item,.app-layout-rail .nav-subject-btn,.app-layout-rail .sidebar-settings-btn{justify-content:center;gap:0;padding-left:0;padding-right:0}.app-layout-rail .sidebar-logo{flex-direction:column;align-items:center;gap:10px;padding:18px 8px 16px}.app-layout-rail .sidebar-logo .logo-img{height:30px}.app-layout-rail .nav-item-notif{min-width:.95rem;height:.95rem;padding:0 .2rem;font-size:9px;position:absolute;top:2px;right:6px}.app-layout-rail .nav-subject-initial{justify-content:center;align-items:center;width:20px;font-size:13px;font-weight:700;display:inline-flex}.app-layout-rail .nav-subject-section{margin-top:8px;padding-top:8px}.app-layout-rail .nav-group{position:relative}.app-layout-rail .nav-submenu{z-index:60;border:1px solid var(--border-color);background:var(--bg-modal);min-width:200px;max-height:calc(100vh - 96px);box-shadow:0 14px 34px #00000047, inset 1px 0 0 var(--border-color);opacity:0;visibility:hidden;pointer-events:none;background-clip:padding-box;border-left:10px solid #0000;border-radius:22px 12px 12px 22px;margin:0;padding:8px;transition:opacity .12s;position:absolute;top:-6px;left:100%;overflow-y:auto}.app-layout-rail .nav-group:hover .nav-submenu,.app-layout-rail .nav-group:focus-within .nav-submenu{opacity:1;visibility:visible;pointer-events:auto}.app-layout-rail .nav-submenu .nav-item-label{display:block}.app-layout-rail .nav-flyout-title{letter-spacing:.08em;text-transform:uppercase;color:var(--text-muted);padding:2px 10px 6px;font-size:10px;font-weight:700;display:block}.app-layout-rail .nav-submenu-item{white-space:nowrap;justify-content:flex-start;gap:9px}.app-layout-rail .sidebar-settings{padding:10px 10px 12px}.app-layout-rail .sidebar-settings-popover{width:240px;bottom:10px;left:calc(100% + 8px);right:auto}}@media print{body[data-print-sheet] .sidebar,body[data-print-sheet] .sidebar-overlay,body[data-print-sheet] .layout-blob,body[data-print-sheet] .ed-feedback-fab,body[data-print-sheet] .ed-feedback-panel,body[data-print-sheet] .mobile-header{display:none}body[data-print-sheet] .main-content{margin-left:0}}.sidebar-settings-action{width:100%;font:inherit;text-align:left;color:var(--text-body);border:1px solid var(--border-color);cursor:pointer;background:0 0;border-radius:8px;align-items:center;gap:8px;padding:8px 10px;font-size:.85rem;display:flex}.sidebar-settings-action:hover{color:var(--accent-text);border-color:var(--accent);background:var(--accent-soft)}.tip{z-index:1000;background:var(--text-primary);width:max-content;max-width:220px;color:var(--surface-card);text-align:center;white-space:normal;pointer-events:none;border-radius:8px;padding:6px 9px;font-size:12px;font-weight:500;line-height:1.4;position:fixed;top:0;left:0;box-shadow:0 6px 18px #0000002e}.tip[data-wide]{text-align:left;max-width:280px;padding:8px 10px}.tip-arrow{border:5px solid #0000;position:absolute}.tip[data-placement=top] .tip-arrow{border-top-color:var(--text-primary);top:100%;transform:translate(-50%)}.tip[data-placement=bottom] .tip-arrow{border-bottom-color:var(--text-primary);bottom:100%;transform:translate(-50%)}.tip[data-placement=right] .tip-arrow{border-right-color:var(--text-primary);right:100%;transform:translateY(-50%)}@media print{.tip{display:none}}.sxp-overlay{z-index:3000;background:#00000080;justify-content:center;align-items:center;padding:24px;display:flex;position:fixed;inset:0}.sxp-panel{background:var(--surface-card);border:1px solid var(--border-color);border-radius:14px;width:100%;max-width:460px;padding:20px}.sxp-title{color:var(--text-primary);align-items:center;gap:8px;margin:0 0 12px;font-size:1.05rem;font-weight:600;display:flex}.sxp-body p{color:var(--text-body);margin:0;font-size:.92rem;line-height:1.5}.sxp-body .sxp-hint{color:var(--text-muted);margin-top:8px;font-size:.84rem}.sxp-foot{justify-content:flex-end;gap:8px;margin-top:20px;display:flex}.sxp-btn-primary,.sxp-btn-ghost{font:inherit;cursor:pointer;border-radius:8px;align-items:center;gap:6px;padding:9px 16px;font-size:.9rem;font-weight:600;text-decoration:none;display:inline-flex}.sxp-btn-primary{color:var(--text-on-color);background:var(--accent);border:none}.sxp-btn-primary:hover{background:var(--accent-strong)}.sxp-btn-ghost{color:var(--text-body);border:1px solid var(--border-color);background:0 0}.sxp-btn-ghost:hover{border-color:var(--accent);color:var(--accent-text)}.ub-banner{z-index:9999;background:var(--surface-card);border:1px solid var(--accent);box-shadow:0 6px 20px color-mix(in srgb, var(--accent) 30%, transparent);color:var(--text-body);border-radius:12px;align-items:center;gap:16px;max-width:calc(100vw - 32px);padding:12px 20px;font-size:14px;display:flex;position:fixed;bottom:16px;left:50%;transform:translate(-50%)}.ub-btn{background:var(--accent);color:var(--text-on-color);cursor:pointer;border:none;border-radius:8px;flex:none;padding:7px 14px;font-family:inherit;font-size:14px;font-weight:600;transition:background .15s}.ub-btn:hover{background:var(--accent-strong)}.ub-btn:focus-visible{box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 45%, transparent);outline:none}.env-banner{z-index:60;box-sizing:border-box;height:var(--env-banner-h);padding:0 var(--page-pad-x);color:var(--env-banner-fg);background:var(--env-banner-bg);align-items:center;gap:10px;font-size:13px;line-height:1.3;display:flex;position:sticky;top:0}.env-banner-text{white-space:nowrap;text-overflow:ellipsis;flex:1;min-width:0;overflow:hidden}.env-banner-text strong{letter-spacing:.04em;text-transform:uppercase;font-weight:700}@media (width<=620px){.env-banner{padding:0 16px}.env-banner-note{display:none}}@media print{.env-banner{display:none}}.sec-card{background:var(--surface-card);border:1px solid var(--border-color);border-radius:16px;margin-bottom:24px;padding:22px}.sec-head{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:.75rem;margin:0 0 6px;display:flex}.sec-title{color:var(--text-primary);margin:0;font-size:1.05rem;font-weight:700}.sec-actions{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.sec-hint{color:var(--text-muted);margin:0 0 12px;font-size:.82rem}@media (width<=640px){.sec-card{padding:16px}}.lo-page{padding:28px var(--page-pad-x) 48px;max-width:var(--page-w-lg);color:var(--text-body);font-family:var(--font-sans)}.lo-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:20px;margin-bottom:28px;display:flex}.lo-header-left{flex-direction:column;gap:10px;display:flex}.lo-title{color:var(--text-primary);letter-spacing:-.3px;margin:0;font-size:22px;font-weight:700}.lo-subject-single{color:var(--text-secondary);font-size:13px;font-weight:500}.lo-subject-tabs{flex-wrap:wrap;gap:4px;display:flex}.lo-subject-tab{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:8px;padding:5px 14px;font-family:inherit;font-size:13px;font-weight:500;transition:all .15s}.lo-subject-tab:hover{background:var(--surface-hover);color:var(--text-body)}.lo-subject-tab-active{background:color-mix(in srgb, var(--color-purple) 15%, transparent);border-color:color-mix(in srgb, var(--color-purple) 35%, transparent);color:var(--accent-text)}.lo-group-selector{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.lo-group-label{color:var(--text-secondary);text-transform:uppercase;letter-spacing:.05em;font-size:12px;font-weight:600}.lo-group-select{background:var(--surface-2);border:1px solid var(--border-color);color:var(--text-body);cursor:pointer;border-radius:8px;outline:none;padding:6px 10px;font-family:inherit;font-size:13px;transition:border-color .15s}.lo-group-select:focus{border-color:color-mix(in srgb, var(--color-purple) 50%, transparent)}.lo-coverage-legend{color:var(--text-secondary);align-items:center;gap:6px;font-size:12px;display:flex}.lo-cov-dot{border-radius:50%;width:8px;height:8px;display:inline-block}.lo-cov-covered{background:var(--color-emerald)}.lo-cov-partial{background:var(--color-amber)}.lo-cov-none{background:var(--text-faint)}.lo-spinner-wrap{color:var(--text-secondary);flex-direction:column;align-items:center;gap:14px;padding:80px 0;font-size:14px;display:flex}.lo-spinner{border:3px solid color-mix(in srgb, var(--color-purple) 15%, transparent);border-top-color:var(--color-purple);border-radius:50%;width:32px;height:32px;animation:.7s linear infinite lo-spin}@keyframes lo-spin{to{transform:rotate(360deg)}}.lo-error{background:color-mix(in srgb, var(--color-red) 10%, transparent);border:1px solid color-mix(in srgb, var(--color-red) 25%, transparent);color:var(--color-red-text);border-radius:10px;padding:20px 24px;font-size:14px}.lo-areas{flex-direction:column;gap:8px;display:flex}.lo-area{border:1px solid var(--border-color);background:var(--surface-1);border-radius:12px;overflow:hidden}.lo-area-header{cursor:pointer;text-align:left;width:100%;color:var(--text-body);background:0 0;border:none;align-items:center;gap:10px;padding:13px 16px;font-family:inherit;font-size:14px;font-weight:600;transition:background .15s;display:flex}.lo-area-header:hover{background:var(--surface-2)}.lo-area-header-open{border-bottom:1px solid var(--border-color)}.lo-area-chevron{color:var(--text-secondary);flex-shrink:0;transition:transform .2s;display:flex}.lo-area-header-open .lo-area-chevron{transform:rotate(180deg)}.lo-area-name{flex:1}.lo-area-count{color:var(--text-muted);background:var(--surface-2);border-radius:999px;padding:2px 8px;font-size:11px;font-weight:500}.lo-area-body{overflow-x:auto}.lo-table{border-collapse:collapse;width:100%;font-size:13px}.lo-th{text-align:left;color:var(--text-muted);text-transform:uppercase;letter-spacing:.05em;background:var(--surface-1);border-bottom:1px solid var(--border-subtle);white-space:nowrap;padding:9px 14px;font-size:11px;font-weight:600}.lo-th-klass{width:72px}.lo-th-sc{width:140px}.lo-th-actions{width:44px}.lo-td{vertical-align:top;border-bottom:1px solid var(--border-subtle);color:var(--text-dim);padding:11px 14px;line-height:1.5}.lo-row:hover .lo-td{background:var(--surface-1)}.lo-row-cov-covered .lo-td{border-left:2px solid var(--color-emerald)}.lo-row-cov-partial .lo-td{border-left:2px solid var(--color-amber)}.lo-row-cov-none .lo-td{border-left:2px solid #0000}.lo-td-klass{vertical-align:middle;white-space:nowrap;color:var(--text-secondary);font-size:12px}.lo-desc-link{text-align:left;font:inherit;color:var(--color-primary);cursor:pointer;background:0 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solid var(--accent);cursor:move;position:absolute;box-shadow:0 0 0 9999px #0000008c}.ed-crop-rect:focus-visible{outline:2px solid var(--accent-strong);outline-offset:2px}.ed-crop-handle{box-sizing:border-box;background:var(--text-on-color);border:2px solid var(--accent);border-radius:3px;width:14px;height:14px;position:absolute}.ed-crop-handle-nw{cursor:nwse-resize;top:-8px;left:-8px}.ed-crop-handle-ne{cursor:nesw-resize;top:-8px;right:-8px}.ed-crop-handle-sw{cursor:nesw-resize;bottom:-8px;left:-8px}.ed-crop-handle-se{cursor:nwse-resize;bottom:-8px;right:-8px}.ed-crop-hint{color:var(--text-muted);align-items:flex-start;gap:6px;margin:0;font-size:12px;display:flex}.ed-source-file-card{border:1px solid var(--border-color);background:var(--surface-sub);border-radius:10px;align-items:center;gap:12px;padding:14px 16px;display:flex}.ed-source-file-icon{flex-shrink:0;justify-content:center;align-items:center;display:inline-flex}.ed-source-file-info{flex-direction:column;gap:2px;min-width:0;display:flex}.ed-source-file-name{color:var(--text-primary);white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:500;overflow:hidden}.ed-source-file-size{color:var(--text-secondary);font-size:12px}.ed-source-file-link{color:var(--accent);font-size:12px;text-decoration:none}.ed-source-file-link:hover{text-decoration:underline}.ed-source-actions{gap:8px;display:flex}.ed-source-change-btn{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:8px;padding:6px 12px;font-family:inherit;font-size:13px;transition:all .15s}.ed-source-change-btn:hover{background:var(--surface-hover);color:var(--text-primary)}.ed-source-remove-btn{color:var(--color-red);cursor:pointer;background:0 0;border:none;padding:6px 0;font-family:inherit;font-size:13px}.ed-source-remove-btn:hover{text-decoration:underline}.ed-actions{gap:10px;padding-top:4px;display:flex}.ed-btn-primary{background:var(--accent);color:var(--text-on-color);cursor:pointer;border:none;border-radius:10px;padding:10px 22px;font-family:inherit;font-size:14px;font-weight:600;transition:opacity .15s,box-shadow .15s}.ed-btn-primary:hover:not(:disabled){opacity:.88;box-shadow:0 4px 12px color-mix(in srgb, var(--accent) 25%, transparent)}.ed-btn-primary:disabled{opacity:.45;cursor:not-allowed}.ed-btn-secondary{border:1px solid var(--border-color);color:var(--text-secondary);cursor:pointer;background:0 0;border-radius:10px;padding:10px 20px;font-family:inherit;font-size:14px;font-weight:500;transition:background .15s,color 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svg{flex:none;margin-top:2px}.ed-variation-solvability-note{background:var(--color-red-soft);color:var(--color-red-deep);border-radius:8px;align-items:flex-start;gap:6px;margin-top:8px;padding:7px 10px;font-size:12px;line-height:1.4;display:flex}.ed-variation-solvability-note svg{flex:none;margin-top:2px}.ed-variation-print-note{color:var(--color-blue-text);align-items:flex-start;gap:5px;margin-top:8px;font-size:12px;line-height:1.4;display:flex}.ed-variation-print-note svg{flex:none;margin-top:2px}.ed-source-recall-toggle{color:var(--text-dim);font:inherit;cursor:pointer;background:0 0;border:none;align-items:center;gap:6px;padding:0;font-size:13px;display:inline-flex}.ed-source-recall-toggle:hover{color:var(--text-primary)}.ed-source-recall-toggle svg{flex:none}.ed-source-recall .ed-source-img{margin-top:8px}.ed-text-tabs-review{max-width:68ch}.ed-text-tabs .ed-tab-panel[hidden]{display:none}.ed-text-preview{border:1px solid var(--border-subtle);background:var(--surface-card);color:var(--text-body);border-radius:10px;padding:12px 14px;line-height:1.55}.ed-text-preview-clickable{cursor:text;transition:border-color .15s,box-shadow .15s}.ed-text-preview-clickable:hover,.ed-text-preview-clickable:focus-visible{border-color:var(--accent);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent) 12%, transparent);outline:none}.ed-figure-cropper{flex-direction:column;gap:8px;margin-top:6px;display:flex}.ed-variations-list{flex-direction:column;gap:16px;display:flex}.ed-solution-instruction{color:var(--text-primary);margin:0 0 12px;font-weight:600}.ed-variation-card{border:1px solid var(--border-color);background:var(--surface-sub);border-radius:12px;flex-direction:column;gap:10px;padding:14px 16px;display:flex}.ed-variation-card-header{width:100%;font:inherit;color:inherit;text-align:left;cursor:pointer;background:0 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var(--accent-alt-soft);background:var(--surface-input);width:100%;color:var(--text-primary);border-radius:8px;padding:10px 12px;font-family:inherit;font-size:14px;line-height:1.6;transition:border-color .15s,box-shadow .15s}.ed-variation-hint-textarea:focus{border-color:var(--accent-alt);box-shadow:0 0 0 3px color-mix(in srgb, var(--accent-alt) 12%, transparent);outline:none}.ed-variation-hint-textarea.ed-autogrow{min-height:0}.ed-autogrow{resize:none;min-height:84px;overflow:hidden}.ed-diff-review-actions{border-top:1px solid var(--border-color);gap:10px;padding-top:4px;display:flex}.ed-diff-archive-btn{border:1px solid var(--color-red);color:var(--color-red);cursor:pointer;background:0 0;border-radius:10px;padding:9px 18px;font-family:inherit;font-size:14px;font-weight:500;transition:background .15s}.ed-diff-archive-btn:hover:not(:disabled){background:color-mix(in srgb, var(--color-red) 6%, 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var(--border-color);background:var(--surface-sub);border-radius:10px;flex-direction:column;gap:14px;padding:14px;display:flex}.ed-skill-group-count{color:var(--text-secondary);font-size:12px}.ed-student-name{color:var(--text-body);font-size:13px}.ed-assign-levels{grid-template-columns:repeat(3,1fr);gap:8px;margin-top:6px;display:grid}.ed-level-col{border:1.5px dashed var(--border-color);background:var(--surface-muted);border-radius:10px;flex-direction:column;gap:6px;min-height:90px;padding:8px;transition:border-color .12s,background .12s;display:flex}.ed-level-col-over{border-style:solid;border-color:var(--accent);background:color-mix(in srgb, var(--accent) 6%, transparent)}.ed-level-col-header{justify-content:space-between;align-items:center;display:flex}.ed-level-col-body{flex-direction:column;gap:4px;display:flex}.ed-level-col-empty{color:var(--text-secondary);text-align:center;opacity:.7;padding:8px 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.5em;font-weight:500}.od-title{color:var(--text-primary);margin:5px 0 0;font-size:18px;line-height:1.35}.od-xbtn{border:1px solid var(--border-color);background:var(--surface-sub);color:var(--text-secondary);cursor:pointer;border-radius:8px;flex:none;justify-content:center;align-items:center;width:32px;height:32px;margin-left:auto;display:inline-flex}.od-body{flex-direction:column;gap:20px;padding:18px 22px 40px;display:flex;overflow-y:auto}.od-status{color:var(--text-body);align-items:center;gap:10px;margin:0;font-size:14px;display:flex}.od-stats{grid-template-columns:1fr 1fr;gap:10px;display:grid}.od-stat{background:var(--surface-sub);border:1px solid var(--border-subtle);color:var(--text-secondary);border-radius:10px;padding:12px 14px;font-size:12.5px}.od-stat strong{color:var(--text-primary);margin-bottom:2px;font-size:22px;display:block}.od-sec-title{text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin:0 0 9px;font-size:12px}.od-text{color:var(--text-body);white-space:pre-line;margin:0;font-size:13.5px;line-height:1.55}.od-dim{color:var(--text-muted)}.spg-ladder{flex-direction:column;gap:.3rem;display:flex}.spg-ladder-row{border-left:3px solid var(--border-subtle);border-radius:0 6px 6px 0;align-items:baseline;gap:.55rem;padding:.35rem .6rem;font-size:.8rem;display:flex}.spg-ladder-icon{text-align:center;flex:0 0 1.2rem;font-weight:700}.spg-ladder-tier{white-space:nowrap;color:var(--leaf-ink);background:var(--leaf-fill);border:1px solid var(--leaf-edge);border-radius:999px;flex:none;padding:.1rem .45rem;font-size:.7rem;font-weight:700}.spg-ladder-label{color:var(--text-secondary);white-space:nowrap;flex:0 0 4.2rem;font-weight:600}.spg-ladder-desc{color:var(--text-secondary);line-height:1.4}.spg-ladder-state{color:var(--text-muted);font-style:italic}.spg-ladder-current{border-left-color:var(--leaf-edge);background:color-mix(in srgb, var(--leaf-edge) 12%, transparent)}.spg-ladder-current 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3rem}.notif-title{color:var(--text-primary);margin:.2rem 0 .3rem;font-size:1.5rem;font-weight:700}.notif-subtitle{color:var(--text-secondary);margin:0 0 1.25rem;font-size:.9rem}.notif-state{text-align:center;color:var(--text-muted);padding:2.5rem 1rem}.notif-error{color:var(--color-rose)}.notif-page--board{max-width:var(--page-w-lg)}.vk-table-wrap{border:1px solid var(--border-color);background:var(--surface-card);border-radius:12px;overflow:hidden}.vk-table{border-collapse:collapse;width:100%;font-size:.9rem}.vk-table thead th{text-align:left;border-bottom:1px solid var(--border-subtle);background:var(--surface-sub);text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);padding:.7rem .9rem;font-size:.72rem;font-weight:700}.vk-table-wrap tbody tr:last-child{border-bottom:0}.vk-col-num{text-align:center;width:8rem}.vk-table thead .vk-col-num{text-align:center}.vk-table .sort-th-btn{width:100%}.vk-col-num 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.dc-td{background:var(--surface-1)}.dc-td-criterion{border-left:none;min-width:180px}.dc-criterion-name{color:var(--text-secondary);font-weight:600}.dc-criterion-desc{color:var(--text-muted);margin-top:3px;font-size:12px}.dc-td-clickable{cursor:pointer;transition:background .12s}.dc-td-clickable:hover{box-shadow:inset 0 0 0 1px var(--border-color);background:var(--surface-hover)!important}.dc-empty{color:var(--text-muted)}.dc-td-actions{vertical-align:middle;text-align:center}@media (width<=760px){.dc-table,.dc-table thead,.dc-table tbody,.dc-table th,.dc-table td,.dc-table tr{display:block}.dc-table thead{display:none}.dc-row{border:1px solid var(--border-subtle);border-radius:10px;margin-bottom:12px;padding:4px 0}.dc-td{border-left:none;border-bottom:1px dashed 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.6rem;font-size:.82rem;font-weight:600}.gw-total.gw-total-bad{background:color-mix(in srgb, var(--color-amber) 12%, transparent);color:var(--color-amber-text)}.gw-weight-cell{font-variant-numeric:tabular-nums;text-align:right;white-space:nowrap;font-weight:600}.gw-flag-chip{background:var(--accent-soft);color:var(--accent-text);white-space:nowrap;border-radius:.6rem;margin-left:.4rem;padding:.05rem .4rem;font-size:.72em;font-weight:600;display:inline-block}.fb-search{align-items:center;max-width:420px;margin:0 0 .7rem;display:flex;position:relative}.fb-search-icon{color:var(--text-muted);pointer-events:none;align-items:center;display:inline-flex;position:absolute;left:11px}.fb-search-input{box-sizing:border-box;border:1px solid var(--border-color);background:var(--surface-input);width:100%;min-height:38px;color:var(--text-primary);font:inherit;border-radius:8px;padding:8px 11px 8px 34px;font-size:13px}.fb-search-input:focus-visible{border-color:var(--accent);box-shadow:0 0 0 3px 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var(--accent);outline-offset:2px}.stex-exercise-list{flex-direction:column;gap:1rem;display:flex}.stex-lead{background:var(--surface-card);border:2px solid var(--accent);border-radius:.875rem;flex-direction:column;align-items:flex-start;gap:.5rem;padding:1.25rem;display:flex;position:relative}.stex-lead .stex-specifics{max-width:60ch}.stex-lead-kicker{letter-spacing:.08em;text-transform:uppercase;color:var(--accent-text);margin:0;font-size:13px;font-weight:700}.stex-lead-title{color:var(--text-primary);text-wrap:balance;-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:0;font-size:17px;font-weight:700;line-height:1.35;display:-webkit-box;overflow:hidden}.stex-cta{background:var(--accent);min-height:44px;color:var(--text-on-color);border-radius:.625rem;align-items:center;gap:.4rem;margin-top:.35rem;padding:.6rem 1.35rem;font-size:14px;font-weight:600;text-decoration:none;transition:opacity .15s;display:inline-flex}.stex-cta:hover{opacity:.9}.stex-cta:focus-visible{outline:2px solid var(--accent);outline-offset:3px}.stex-cta:after{content:"";border-radius:inherit;position:absolute;inset:0}.stex-rows{background:var(--surface-card);border:1px solid var(--border-subtle);border-radius:.875rem;overflow:hidden}.stex-exercise-card{border-top:1px solid var(--border-subtle);grid-template-columns:minmax(0,1fr) auto;align-items:start;gap:.25rem 1.25rem;padding:.9rem 1.125rem;transition:background .15s;display:grid;position:relative}.stex-row-dates{text-align:right;font-variant-numeric:tabular-nums;flex-direction:column;align-items:flex-end;gap:.15rem;display:flex}.stex-col-head{text-align:right;color:var(--text-secondary);margin:0 0 .35rem;padding-right:1.125rem;font-size:13px;font-weight:600}.stex-block{flex-direction:column;display:flex}.stex-specifics{color:var(--text-secondary);-webkit-line-clamp:2;-webkit-box-orient:vertical;margin:.15rem 0 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solid var(--accent);outline-offset:2px}.stex-questionnaire-icon{justify-content:center;align-items:center;display:inline-flex}.stex-questionnaire-text{flex-direction:column;flex:1;gap:.15rem;min-width:0;display:flex}.stex-questionnaire-title{font-size:14px;font-weight:700}.stex-questionnaire-sub{color:var(--text-secondary);font-size:13px}.stex-questionnaire-cta{white-space:nowrap;color:var(--accent-text);font-size:14px;font-weight:700}@media (width<=768px){.stex-page{padding:1.25rem 1rem}.stex-exercise-card{grid-template-columns:minmax(0,1fr)}.stex-row-dates{text-align:left;align-items:flex-start}.stex-col-head{display:none}.stex-title{font-size:20px}.stex-exercise-card{padding:.75rem .875rem}}@media (pointer:coarse){.stex-tab{min-height:44px;padding:.45rem 1.1rem}}@media (prefers-reduced-motion:reduce){.stex-tab,.stex-exercise-card,.stex-questionnaire-banner,.stex-retry-btn,.stex-select-btn,.stex-cta{transition:none}.stex-questionnaire-banner:hover{transform:none}}.slot-input{background:var(--surface-input);border:1px solid var(--border-color);color:var(--text-primary);box-sizing:border-box;border-radius:.5rem;padding:.4rem .65rem;font-family:inherit;font-size:.95rem;line-height:1.5;transition:border-color .15s}.slot-input:focus{border-color:var(--accent);box-shadow:0 0 0 3px var(--accent-soft);outline:none}.slot-input:disabled{opacity:.6;cursor:not-allowed}.slot-input:not(.slot-input-gap){width:100%;max-width:22rem}.slot-input-gap{vertical-align:baseline;text-align:center;border:none;border-bottom:2px dotted var(--border-color);background:0 0;border-radius:0;width:auto;min-width:3ch;max-width:100%;margin:0 .15rem;padding:.1rem .45rem}.slot-input-gap:focus{background:var(--accent-soft);border-bottom:2px solid 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